/*
 * cocos2d for iPhone: http://www.cocos2d-iphone.org
 *
 * Copyright (c) 2010 Ricardo Quesada
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/*
 * Idea of subclassing NSOpenGLView was taken from  "TextureUpload" Apple's sample
 */

// Only compile this code on Mac. These files should not be included on your iOS project.
// But in case they are included, it won't be compiled.
#import <Availability.h>
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)

#import "MacGLView.h"
#import <OpenGL/gl.h>

#import "CCDirectorMac.h"
#import "../../ccConfig.h"


@implementation MacGLView

@synthesize eventDelegate = eventDelegate_;

+(void) load_
{
	NSLog(@"%@ loaded", self);
}

- (id) initWithFrame:(NSRect)frameRect
{
	self = [self initWithFrame:frameRect shareContext:nil];
	return self;
}

- (id) initWithFrame:(NSRect)frameRect shareContext:(NSOpenGLContext*)context
{
    NSOpenGLPixelFormatAttribute attribs[] =
    {
		NSOpenGLPFAAccelerated,
		NSOpenGLPFANoRecovery,
		NSOpenGLPFADoubleBuffer,
		NSOpenGLPFADepthSize, 24,
		
		0
    };
	
	NSOpenGLPixelFormat *pixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs];
	
	if (!pixelFormat)
		NSLog(@"No OpenGL pixel format");
	
	if (self = [super initWithFrame:frameRect pixelFormat:[pixelFormat autorelease]]) {
		
		if( context )
			[self setOpenGLContext:context];

		// Synchronize buffer swaps with vertical refresh rate
		GLint swapInt = 1;
		[[self openGLContext] setValues:&swapInt forParameter:NSOpenGLCPSwapInterval]; 
		
//             GLint order = -1;
//             [[self openGLContext] setValues:&order forParameter:NSOpenGLCPSurfaceOrder];
		
		// event delegate
		eventDelegate_ = nil;		
	}
	
	return self;
}
	
- (void) reshape
{
	// We draw on a secondary thread through the display link
	// When resizing the view, -reshape is called automatically on the main thread
	// Add a mutex around to avoid the threads accessing the context simultaneously when resizing
	CGLLockContext([[self openGLContext] CGLContextObj]);
	
	NSRect rect = [self bounds];
	
	CCDirector *director = [CCDirector sharedDirector];
	[director reshapeProjection: NSSizeToCGSize(rect.size) ];
	
	// avoid flicker
	[director drawScene];
//	[self setNeedsDisplay:YES];
	
	CGLUnlockContext([[self openGLContext] CGLContextObj]);
}

- (void) dealloc
{	

	[super dealloc];
}

#if CC_DIRECTOR_MAC_USE_DISPLAY_LINK_THREAD
#define DISPATCH_EVENT(__event__, __selector__) [eventDelegate_ queueEvent:__event__ selector:__selector__];
#else
#define DISPATCH_EVENT(__event__, __selector__)												\
	id obj = eventDelegate_;																\
	[obj performSelector:__selector__														\
			onThread:[(CCDirectorMac*)[CCDirector sharedDirector] runningThread]			\
		  withObject:__event__																\
	   waitUntilDone:NO];
#endif

#pragma mark MacGLView - Mouse events
- (void)mouseDown:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)mouseMoved:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)mouseDragged:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)mouseUp:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)rightMouseDown:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)rightMouseDragged:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)rightMouseUp:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)otherMouseDown:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)otherMouseDragged:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)otherMouseUp:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)mouseEntered:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)mouseExited:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

-(void) scrollWheel:(NSEvent *)theEvent {
	DISPATCH_EVENT(theEvent, _cmd);
}

#pragma mark MacGLView - Key events

-(BOOL) becomeFirstResponder
{
	return YES;
}

-(BOOL) acceptsFirstResponder
{
	return YES;
}

-(BOOL) resignFirstResponder
{
	return YES;
}

- (void)keyDown:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)keyUp:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)flagsChanged:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

#pragma mark MacGLView - Touch events
- (void)touchesBeganWithEvent:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)touchesMovedWithEvent:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)touchesEndedWithEvent:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

- (void)touchesCancelledWithEvent:(NSEvent *)theEvent
{
	DISPATCH_EVENT(theEvent, _cmd);
}

@end

#endif // __MAC_OS_X_VERSION_MAX_ALLOWED